Card reader mount assembly



FIG. 1 is a front view of a the a ring mount assembly showing our new design;

FIG. 2 is a side view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a perspective view thereof.

The broken lines in the drawings depict boundaries of the claims and form no part thereof. 

CLAIM The ornamental design for a card reader mount assembly, as shown and described. 